[PATCH V2] MIPS: CPU#0 is not hotpluggable

Now CPU#0 is not hotpluggable on MIPS, so prevent to create /sys/devices /system/cpu/cpu0/online which confuses some user-space tools.

Cc: stable@vger.kernel.org Signed-off-by: Huacai Chen chenhc@lemote.com --- arch/mips/kernel/topology.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c index cd3e1f8..08ad637 100644 --- a/arch/mips/kernel/topology.c +++ b/arch/mips/kernel/topology.c @@ -20,7 +20,7 @@ static int __init topology_init(void) for_each_present_cpu(i) { struct cpu *c = &per_cpu(cpu_devices, i);

- c->hotpluggable = 1; + c->hotpluggable = !!i; ret = register_cpu(c, i); if (ret) printk(KERN_WARNING "topology_init: register_cpu %d "